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Finding the Third Proportional to 9,606,817 and 20,919,365

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Solution

The third proportional to 9,606,817 and 20,919,365 is: 45,553,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,606,817 : 20,919,365 = 20,919,365 : x
  2. Step 2: Convert to fraction form
    9,606,817/20,919,365 = 20,919,365/x
  3. Step 3: Cross multiply
    9,606,817x = 20,919,365 × 20,919,365
  4. Step 4: Simplify right side
    9,606,817x = 437,619,832,003,225
  5. Step 5: Solve for x
    x = 437,619,832,003,225/9,606,817
  6. Step 6: Final answer
    x = 45,553,051.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.